WO2002070797A1 - Rouleau en caoutchouc pour textiles - Google Patents

Rouleau en caoutchouc pour textiles Download PDF

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Publication number
WO2002070797A1
WO2002070797A1 PCT/JP2002/001822 JP0201822W WO02070797A1 WO 2002070797 A1 WO2002070797 A1 WO 2002070797A1 JP 0201822 W JP0201822 W JP 0201822W WO 02070797 A1 WO02070797 A1 WO 02070797A1
Authority
WO
WIPO (PCT)
Prior art keywords
rubber
loss tangent
roller
less
spinning
Prior art date
Application number
PCT/JP2002/001822
Other languages
English (en)
Japanese (ja)
Inventor
Katsuyuki Miura
Original Assignee
Yamauchi Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamauchi Corporation filed Critical Yamauchi Corporation
Publication of WO2002070797A1 publication Critical patent/WO2002070797A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/74—Rollers or roller bearings
    • D01H5/80—Rollers or roller bearings with covers; Cots or covers

Definitions

  • the present invention relates to a rubber roller for spinning in which winding and winding of fibers are improved.
  • Rubber rollers for spinning are used in the textile industry and have a role in guiding and controlling the fibers for drawing, spinning and processing the fibers into yarn. Therefore, the surface of the rubber spinner for spinning is in direct contact with the fiber, and the quality of the yarn is directly affected by the fiber processing characteristics of the spinning roller used.
  • the oil component of the fiber, oil and grease of the machine, fine fiber debris, dust, etc. adhere to the surface of the rubber roller used, and the adhesiveness between the fibers Due to the increase, some of the fibers are temporarily taken off on the surface of the rubber roller during running, or the fibers adhere to the surface of the rubber roller and are completely wound up. .
  • Rubber rollers for spinning polishes the roller surface about twice a year and finishes with sulfuric acid and other chemicals.
  • Fiber raw materials such as ester linen-blend, molybdenum, acrylic, etc., often have a lot of fiber winding and winding
  • An object of the present invention is to improve problems such as winding and winding of a fiber around a rubber roller used for spinning. Disclosure of the invention
  • the rubber roller for spinning of the present invention has a loss tangent (ta ⁇ ) at 30 ° C of 0.12 or less or a loss tangent at 50 ° C when the Shore A hardness is in the range of 68 to 90. It is characterized by comprising a rubber composition of 0.05 or less.
  • the loss tangent (tan S) at C is preferably 0.10 or less, more preferably 0.07 or less.
  • the rubber component of the rubber composition as a main component nitrile rubber is preferred
  • Atari port Etoriru is 2 0-3 6 mole 0/0 in the copolymer.
  • the rubber roller for spinning of the present invention has a Shore A hardness in the range of 68 to 90 and a loss tangent (ta ⁇ ) at 30 ° C of 0.12 or less or a loss tangent at 50 ° C. Is from 0 to 05 or less.
  • the lower limit of the Shore A hardness of the rubber composition is 68, preferably 70, and more preferably 75. If the Shore A hardness is less than 68, the abrasion resistance tends to decrease.
  • the upper limit of Shore A hardness is 90. If the Shore A hardness is greater than 90, the nip width will be small and the grip of Hit will be insufficient.
  • the upper limit of the loss tangent (ta ⁇ ) at 30 ° C of the rubber composition is 0.12, preferably 0.10, and more preferably 0.07.
  • the loss tangent at 30 ° C is larger than 0.12, the wrapping around tends to increase.
  • the loss tangent of the rubber composition Since the loss tangent of the rubber composition has the characteristic of decreasing with increasing temperature, it is 50.
  • the upper limit of the loss tangent at (: is 0.05, preferably 0.04 or less. If the loss tangent at 50 ° C. is greater than 0.05, the winding of the fiber increases.
  • Synthetic rubber is widely used as the rubber component of the rubber composition, but an appropriate amount of natural rubber can be compounded as necessary.
  • Synthetic rubber is rubber that is chemically synthesized from petroleum and other raw materials, and includes styrene butadiene rubber, butadiene rubber, isoprene rubber, chloroprene rubber, and rubber.
  • Gen-based rubbers such as linitrinorebutadiene rubber, petitinole rubber, ethylene rubber, ethylene rubber vinylinole rubber, chlorosnolephonated polyethylene, atorinole rubber, etc. Rubber, powder rubber, thermoplastic rubber, etc.
  • the rubber component is preferably nitrile rubber as the main component in that the antistatic effect is relatively higher than other rubbers.
  • Nitrile rubber refers to a polymer containing atarilonitrile as a constituent unit of the polymer.
  • the content of nitrile rubber in the total rubber component is preferably 40 to 80% by weight, more preferably 50 to 70% by weight. is there.
  • Nitrile rubber is preferably those Atari nitrile component is contained in the range of 20 to 36 mol% in the copolymer, more preferably in the range of 25 to 36 mole 0/0. Two if the content of Akuriro nitrile component in the nitrile rubber is more than 36 mole 0/0 ta ⁇ ⁇ increases, becomes large winding amount of fibers to the roller surface. On the other hand, 20 when the motor is less than le 0/0, the wear resistance of the rubber roller surface, hardness Contact Yopi weather resistance is lowered.
  • the synthetic rubber a homopolymer, a binary copolymer, or a multi-component copolymer such as a ternary copolymer can be used.
  • binary copolymer examples include styrene butadiene rubber, ethylene propylene rubber, and acrylonitrile butadiene rubber, and acrylonitrile butadiene rubber (NBR) is preferable because of its high antistatic effect.
  • NBR acrylonitrile butadiene rubber
  • a plasticizer can be compounded in the rubber composition. Plasticizers are added to lower the softening temperature, soften the rubber, and facilitate molding and processing. Plasticizers include di-2-ethylhexyl phthalate (DOP) and diisodecyl phthalate
  • DI DP dimethyl phthalate
  • DMP diisodecyl succinate
  • DOA dioctyl adipate
  • DEDB diethylene glycol dibenzoate
  • DEDB dipentaerythritol Glycol esters
  • fatty acid esters such as butyl oleate (BO) and methyl acetyl ricinoleate (MAR)
  • phosphoric acids such as trioctinole phosphate (TOP) and trifeninole phosphate (TPP)
  • EBSt epoxy butyl stearate
  • EBSt epoxy butyl stearate
  • the lid is low in volatility and good compatibility. Luic esters are preferred.
  • the blending amount of the plasticizer is preferably from 10 to 40 parts by mass, more preferably from 15 to 30 parts by mass, based on 100 parts by mass of the rubber component. If the compounding amount is less than 10 parts by mass, the tan ⁇ of the rubber increases, and if it is more than 40 parts by mass, the cost becomes high in the processed surface.
  • the rubber composition may further include a mammalian protein, a vulcanizing agent, a vulcanization accelerator, a vulcanization accelerator, a processing aid, and the like.
  • Animal proteins are formulated to increase the strength of the rubber mouth surface.
  • Animal proteins include glue and gelatin, and the compounding amount is set in the range of 10 to 60 parts by mass with respect to 100 parts by mass of the rubber component.
  • Vulcanizing agents are added to crosslink (harden) the rubber.
  • the vulcanizing agent include zeolite, tetraalkylthiuram disulphide, morpholine disa / refuide, alkyl-containing organic compounds such as alkylphenol / resisulfide, metal compounds such as magnesium oxide, ⁇ -quinone oxime, ⁇ , ⁇ '-dibenzo
  • oximes such as quinquinonedioxime, peroxides such as dicumyl peroxide and benzoyl peroxide, thiochloride, selenium, and tellurium.
  • the compounding amount is preferably from 5 to 15 parts by mass, more preferably from 8 to 12 parts by mass, based on 100 parts by mass of the rubber component. If the amount is less than 5 parts by mass, the abrasion resistance decreases. If the amount is more than 15 parts by mass, ta ⁇ ⁇ increases.
  • Carbosulfur accelerators include dibenzothiazyl disulfide (DM)., 2-mercaptobenzothiazole (D), 2-mercaptobenzothiazole zinc salt
  • Thiazoles such as (MZ), sulfenamides such as diisopropylsulfenamide (DIBS) and cyclohexylsulfenamide (CZ), tetraethylthiuram disulfide (TET), dipentamethylenethiuram tetrasanolide ( TRA) and other dithioates such as dimethyldithiocarbamate zinc salt (PZ) and getinorestichocarbamate zinc salt (EZ), and other guanidines, thioperreas, aldehyde ammonias, xantates, etc. .
  • the compounding amount is set in the range of 1 to 5 parts by mass with respect to 100 parts by mass of the rubber component.
  • Processing aids include metal oxides such as zinc white, stearic acid, and stearic acid There are fatty acids such as lead and oleic acid. The amount is set in the range of 5 to 15 parts by mass with respect to 100 parts by mass of the rubber component. .
  • a filler such as white carbon, calcium carbonate, and clay, a coloring agent, an antioxidant, and other auxiliaries can be appropriately added to the rubber composition.
  • the rubber roller of the present invention can be manufactured by a steam vulcanization method, a press caro sulfurization method, or the like.
  • a rubber composition obtained by mixing and mixing a rubber component, a plasticizer, a vulcanizing agent, and the like is used as a rubber sheet having a required thickness using two rolls or a calendar, and the rubber sheet is wound around a core of a mouthpiece. .
  • the steam vulcanization method the rubber sheet is wrapped around the roller wrapped around it with a canvas, which is then placed in a pressure cooker and exposed to steam or heated air at about 160 ° C. Vulcanize under conditions of 5 kg / cm for about 60 minutes.
  • a roller on which the above-described rubber sheet is wound is placed in a mold, and heated and pressed under conditions of about 160 ° C., 200 kg cm 2 , and about 10 minutes. Sulfurize.
  • the rubber roller of the present invention is preferably manufactured by the press vulcanization method because it can increase the strength of the roller surface such as abrasion resistance I ".
  • the rubber roller for spinning which is an example of the present invention, was manufactured by press vulcanization according to the compounding specifications shown in Table 1.
  • the rubber roller for spinning which is a comparative example, was manufactured by press vulcanization by adjusting the raw material blending amount so as to obtain a predetermined Shore A hardness and loss tangent. All of the compounding amounts in Table 1 represent parts by mass in terms of solid content.
  • the press vulcanization was carried out under the conditions of 160 ° C., 200 kg / cm 2 , and 10 minutes.
  • the resulting rubber roller was evaluated for Shore A hardness, loss tangent (tan 5), and who rolled up. Evaluation method is as follows.
  • Shore A hardness was measured based on JIS-K 6253 by a type A durometer used in a test for medium hardness.
  • the loss tangent (ta ⁇ ) was measured using a viscoelastic spectrometer VES-FIII (manufactured by Iwamoto Seisakusho Co., Ltd.) under the following conditions.
  • the spinning machine After attaching an unused rubber roller to the spinning machine, the spinning machine was continuously operated under the following conditions.
  • Polyester / cotton 50/50
  • Thread count N e 44 '
  • the Shore A hardness is in the range of 68 to 90, the loss tangent (ta ⁇ ⁇ ) at 30 ° C is 0.12 or less, and the loss tangent at 50 ° C is 0.1.
  • the fiber winding amount is improved to 3.Omg or less, especially the Shore A hardness is 68 to 75, and the loss tangent (tan ⁇ ) force S30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un rouleau en caoutchouc caractérisé par une émergence réduite de fibres enroulées et une meilleure qualité d'emballage. Ce rouleau en caoutchouc est en outre caractérisé par une composition de caoutchouc utilisée pour le rouleau en caoutchouc dont la dureté Shore A est située entre 68 et 90 et par un facteur de dissipation (tan Δ) à 30 °C et 50 °C situé à 0,2 ou moins et à 0,05 ou moins, respectivement.
PCT/JP2002/001822 2001-03-02 2002-02-27 Rouleau en caoutchouc pour textiles WO2002070797A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001058796A JP4443782B2 (ja) 2001-03-02 2001-03-02 紡績用ゴムローラ
JP2001-58796 2001-03-02

Publications (1)

Publication Number Publication Date
WO2002070797A1 true WO2002070797A1 (fr) 2002-09-12

Family

ID=18918464

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/001822 WO2002070797A1 (fr) 2001-03-02 2002-02-27 Rouleau en caoutchouc pour textiles

Country Status (2)

Country Link
JP (1) JP4443782B2 (fr)
WO (1) WO2002070797A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110105643A (zh) * 2019-05-06 2019-08-09 无锡二橡胶股份有限公司 一种化纤双芯包芯纱用纺纱胶辊的生产配方
CN115403841A (zh) * 2022-10-11 2022-11-29 无锡二橡胶股份有限公司 一种耐高速、耐高温、超大牵伸纺纱胶辊的生产配方

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5089644A (fr) * 1973-12-13 1975-07-18
JPS59130321A (ja) * 1983-01-11 1984-07-26 Unitika Ltd 湿潤紡績方法
JPS62122873U (fr) * 1986-01-23 1987-08-04
EP0361257A1 (fr) * 1988-09-29 1990-04-04 Maschinenfabrik Rieter Ag Rouleaux d'alimentation dans un train d'étirage
JPH11100730A (ja) * 1997-09-22 1999-04-13 Nitto Shoji Kk 紡機のドラフト装置におけるトップローラー

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5089644A (fr) * 1973-12-13 1975-07-18
JPS59130321A (ja) * 1983-01-11 1984-07-26 Unitika Ltd 湿潤紡績方法
JPS62122873U (fr) * 1986-01-23 1987-08-04
EP0361257A1 (fr) * 1988-09-29 1990-04-04 Maschinenfabrik Rieter Ag Rouleaux d'alimentation dans un train d'étirage
JPH11100730A (ja) * 1997-09-22 1999-04-13 Nitto Shoji Kk 紡機のドラフト装置におけるトップローラー

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110105643A (zh) * 2019-05-06 2019-08-09 无锡二橡胶股份有限公司 一种化纤双芯包芯纱用纺纱胶辊的生产配方
CN115403841A (zh) * 2022-10-11 2022-11-29 无锡二橡胶股份有限公司 一种耐高速、耐高温、超大牵伸纺纱胶辊的生产配方
CN115403841B (zh) * 2022-10-11 2024-04-05 无锡二橡胶股份有限公司 一种耐高速、耐高温、超大牵伸纺纱胶辊的生产配方

Also Published As

Publication number Publication date
JP2002266177A (ja) 2002-09-18
JP4443782B2 (ja) 2010-03-31

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